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<div class="titlepage"><div><div>
<h2 class="title">
<a id="release-notes-7.4.1"></a>Elasticsearch version 7.4.1<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.4.asciidoc">edit</a>
</h2>
</div></div></div>
<p>Also see <a class="xref" href="breaking-changes-7.4.html" title="Breaking changes in 7.4">Breaking changes in 7.4</a>.</p>
<h3>
<a id="enhancement-7.4.1"></a>Enhancements<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.4.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Engine
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Avoid unneeded refresh with concurrent realtime gets <a href="https://github.com/elastic/elasticsearch/pull/47895" class="ulink" target="_top">#47895</a>
</li>
<li class="listitem">
sync before trimUnreferencedReaders to improve index preformance <a href="https://github.com/elastic/elasticsearch/pull/47790" class="ulink" target="_top">#47790</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/46201" class="ulink" target="_top">#46201</a>, <a href="https://github.com/elastic/elasticsearch/issues/46203" class="ulink" target="_top">#46203</a>)
</li>
<li class="listitem">
Limit number of retaining translog files for peer recovery <a href="https://github.com/elastic/elasticsearch/pull/47414" class="ulink" target="_top">#47414</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Circuit Breakers
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Emit log message when parent circuit breaker trips <a href="https://github.com/elastic/elasticsearch/pull/47000" class="ulink" target="_top">#47000</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Machine Learning
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Throttle the delete-by-query of expired results <a href="https://github.com/elastic/elasticsearch/pull/47177" class="ulink" target="_top">#47177</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/47003" class="ulink" target="_top">#47003</a>)
</li>
<li class="listitem">
The machine learning native processes are now arranged in a <code class="literal">.app</code> directory structure on
macOS, to allow for notarization on macOS Catalina. <a href="https://github.com/elastic/ml-cpp/pull/593" class="ulink" target="_top">#593</a>
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="bug-7.4.1"></a>Bug fixes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.4.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Aggregations
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
DocValueFormat implementation for date range fields <a href="https://github.com/elastic/elasticsearch/pull/47472" class="ulink" target="_top">#47472</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/47323" class="ulink" target="_top">#47323</a>, <a href="https://github.com/elastic/elasticsearch/issues/47469" class="ulink" target="_top">#47469</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Allocation
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Dangling indices strip aliases <a href="https://github.com/elastic/elasticsearch/pull/47581" class="ulink" target="_top">#47581</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Analysis
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Reset Token position on reuse in <code class="literal">predicate_token_filter</code> <a href="https://github.com/elastic/elasticsearch/pull/47424" class="ulink" target="_top">#47424</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47197" class="ulink" target="_top">#47197</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Authentication
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix AD realm additional metadata <a href="https://github.com/elastic/elasticsearch/pull/47179" class="ulink" target="_top">#47179</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/45848" class="ulink" target="_top">#45848</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Authorization
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Use <em>should</em> clause instead of <em>filter</em> when querying native privileges <a href="https://github.com/elastic/elasticsearch/pull/47019" class="ulink" target="_top">#47019</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Do not auto-follow closed indices <a href="https://github.com/elastic/elasticsearch/pull/47721" class="ulink" target="_top">#47721</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47582" class="ulink" target="_top">#47582</a>)
</li>
<li class="listitem">
Relax maxSeqNoOfUpdates assertion in FollowingEngine <a href="https://github.com/elastic/elasticsearch/pull/47188" class="ulink" target="_top">#47188</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47137" class="ulink" target="_top">#47137</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Cluster Coordination
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Omit writing index metadata for non-replicated closed indices on data-only node <a href="https://github.com/elastic/elasticsearch/pull/47285" class="ulink" target="_top">#47285</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47276" class="ulink" target="_top">#47276</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/ILM+SLM
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Throw error retrieving non-existent SLM policy <a href="https://github.com/elastic/elasticsearch/pull/47679" class="ulink" target="_top">#47679</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47664" class="ulink" target="_top">#47664</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Indices APIs
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix Rollover error when alias has closed indices <a href="https://github.com/elastic/elasticsearch/pull/47148" class="ulink" target="_top">#47148</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47146" class="ulink" target="_top">#47146</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Java High Level REST Client
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix ILM HLRC Javadoc→Documentation links <a href="https://github.com/elastic/elasticsearch/pull/48083" class="ulink" target="_top">#48083</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Monitoring
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
[Monitoring] Add new cluster privilege now necessary for the stack monitoring ui <a href="https://github.com/elastic/elasticsearch/pull/47871" class="ulink" target="_top">#47871</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Scripting
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Drop stored scripts with the old style-id <a href="https://github.com/elastic/elasticsearch/pull/48078" class="ulink" target="_top">#48078</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47593" class="ulink" target="_top">#47593</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Machine Learning
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix detection of syslog-like timestamp in find_file_structure <a href="https://github.com/elastic/elasticsearch/pull/47970" class="ulink" target="_top">#47970</a>
</li>
<li class="listitem">
Reinstate ML daily maintenance actions <a href="https://github.com/elastic/elasticsearch/pull/47103" class="ulink" target="_top">#47103</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47003" class="ulink" target="_top">#47003</a>)
</li>
<li class="listitem">
Fix possibility of crash when calculating forecasts that overflow to disk <a href="https://github.com/elastic/ml-cpp/pull/688" class="ulink" target="_top">#688</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Network
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix es.http.cname_in_publish_address Deprecation Logging <a href="https://github.com/elastic/elasticsearch/pull/47451" class="ulink" target="_top">#47451</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47436" class="ulink" target="_top">#47436</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
SQL: Fix issue with negative literels and parentheses <a href="https://github.com/elastic/elasticsearch/pull/48113" class="ulink" target="_top">#48113</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/48009" class="ulink" target="_top">#48009</a>)
</li>
<li class="listitem">
SQL: add "format" for "full" date range queries <a href="https://github.com/elastic/elasticsearch/pull/48073" class="ulink" target="_top">#48073</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/48033" class="ulink" target="_top">#48033</a>)
</li>
<li class="listitem">
SQL: Allow whitespaces in escape patterns <a href="https://github.com/elastic/elasticsearch/pull/47577" class="ulink" target="_top">#47577</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47401" class="ulink" target="_top">#47401</a>)
</li>
<li class="listitem">
SQL: fix multi full-text functions usage with aggregate functions <a href="https://github.com/elastic/elasticsearch/pull/47444" class="ulink" target="_top">#47444</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/47365" class="ulink" target="_top">#47365</a>)
</li>
<li class="listitem">
SQL: wrong number of values for columns <a href="https://github.com/elastic/elasticsearch/pull/42122" class="ulink" target="_top">#42122</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Search
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix alias field resolution in match query <a href="https://github.com/elastic/elasticsearch/pull/47369" class="ulink" target="_top">#47369</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Snapshot/Restore
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix Bug in Azure Repo Exception Handling <a href="https://github.com/elastic/elasticsearch/pull/47968" class="ulink" target="_top">#47968</a>
</li>
<li class="listitem">
Fix Snapshot Corruption in Edge Case <a href="https://github.com/elastic/elasticsearch/pull/47552" class="ulink" target="_top">#47552</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/46250" class="ulink" target="_top">#46250</a>, <a href="https://github.com/elastic/elasticsearch/issues/47550" class="ulink" target="_top">#47550</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Store
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Allow truncation of clean translog <a href="https://github.com/elastic/elasticsearch/pull/47866" class="ulink" target="_top">#47866</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Transform
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix bwc serialization with 7.3 <a href="https://github.com/elastic/elasticsearch/pull/48021" class="ulink" target="_top">#48021</a>
</li>
</ul>
</div>
</dd>
</dl>
</div>
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